.swiper-wrapper{
    overflow: hidden;
    position: relative;
}
.swiper-items{
    list-style: none;
    padding: 0;
    margin: 0;
    position: absolute;
}
.swiper-items .swiper-item{
    float: left;
    box-sizing: border-box;
}
.swiper-spots{
    position: absolute;
    bottom: 30px;
    width: 100%;
}
.swiper-spots span{
    display: inline-block;
    border-radius: 50%;
    margin: 0 5px;
    width: 10px;
    height: 10px;
    cursor: pointer;
    vertical-align: middle;
}
.swiper-btn{
    width: 25px;
    height: 20px;
    position: absolute;
    top: calc(50% - 10px);
    color: #fff;
    background-color: #666a;
    line-height: 17px;
    cursor: pointer;
    font-size: 17px;
    transform: scaleY(1.5);
    border: none;
}
.swiper-lbtn{
    left: 0;
    border-top-right-radius: 50%;
    border-bottom-right-radius: 50%;
    text-align: left;
}
.swiper-rbtn{
    right: 0;
    border-top-left-radius: 50%;
    border-bottom-left-radius: 50%;
    text-align: right;
}